Introduction to SQL Which of the following do you need to consider when you make a table in SQL? All of these Default values Data types Primary keys All of these Default values Data types Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? LEFT LEN JOIN AVG LEFT LEN JOIN AVG ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement that queries or reads data from a table is ________ . SELECT READ None of these QUERY SELECT READ None of these QUERY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is illegal? SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; None of these SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; None of these SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s): IN only. Both IN and NOT IN. NOT IN only. LIKE only. IN only. Both IN and NOT IN. NOT IN only. LIKE only. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS